ident: use a dynamic strbuf in fmt_ident

diff --git a/t/t7503-pre-commit-hook.sh b/t/t7503-pre-commit-hook.sh
index ee7f0cd4596f982f16cbf3859675e6faba424faa..984889b39d3f8e9941a2aadc8cec833fe42176a2 100755 (executable)
--- a/t/t7503-pre-commit-hook.sh
+++ b/t/t7503-pre-commit-hook.sh
@@ -118,4 +118,22 @@ test_expect_success 'with failing hook requiring GIT_PREFIX' '
        git checkout -- file
 '
 
+test_expect_success 'check the author in hook' '
+       write_script "$HOOK" <<-\EOF &&
+       test "$GIT_AUTHOR_NAME" = "New Author" &&
+       test "$GIT_AUTHOR_EMAIL" = "newauthor@example.com"
+       EOF
+       test_must_fail git commit --allow-empty -m "by a.u.thor" &&
+       (
+               GIT_AUTHOR_NAME="New Author" &&
+               GIT_AUTHOR_EMAIL="newauthor@example.com" &&
+               export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL &&
+               git commit --allow-empty -m "by new.author via env" &&
+               git show -s
+       ) &&
+       git commit --author="New Author <newauthor@example.com>" \
+               --allow-empty -m "by new.author via command line" &&
+       git show -s
+'
+
 test_done